mallon you might know her better as typhoid mary quite possibly the world's most famous super spreader nowlan was an asymptomatic typhoid carrier worked as a cook for wealthy families in new york in the early 20th century she had said that at least 53 others most of them people should prepare the meals for eventually after triggering multiple outbreaks she was tracked down and forcibly quarantined by authorities until her death 3 decades. later. comes forward to the present a new pandemic and a novel virus what have we learned about super spreaders. welcome to the w.'s covert 19 special i'm joined now the milan thanks for joining us we start in south korea where a few incidences saw individuals spread the disease to hundreds and even thousands so-called super spreading events of the preventive measures in place today measures aimed at groups most likely to infect others students especially seem to be listening the w.'s frank smith reports. that young south koreans are increasingly sensitive to the potential they have to carry and infect others with coded 19 even if they are not suffering from